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std::div, std::ldiv, std::lldiv

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< cpp‎ | numeric‎ | math

 
 
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(C++11)
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(C++11)
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Defined in header <cstdlib>
std::div_t     div( int x, int y );
std::ldiv_t    div( long x, long y );
std::lldiv_t   div( long long x, long long y );
(desde C++11)
std::ldiv_t   ldiv( long x, long y );
std::lldiv_t lldiv( long long x, long long y );
(desde C++11)
Defined in header <cinttypes>
std::imaxdiv_t div( std::intmax_t x, std::intmax_t y );
(desde C++11)
std::imaxdiv_t imaxdiv( std::intmax_t x, std::intmax_t y );
(desde C++11)
Calcula el cociente (el resultado de la expresión x/y) y el resto (el resultado de la expresión x%y) simultáneamente. (desde C++11)
Original:
Computes the quotient (the result of the expression x/y) and remainder (the result of the expression x%y) simultaneously. (desde C++11)
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Calcula el cociente y el resto al mismo tiempo. El cociente es el cociente algebraico con cualquier parte fraccionaria descartado (truncado hacia cero). El resto es tal que quot * y + rem == x. (hasta C++11)
Original:
Computes quotient and remainder simultaneously. The quotient is the algebraic quotient with any fractional part discarded (truncated towards zero). The remainder is such that quot * y + rem == x. (hasta C++11)
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Contenido

[editar] Notas

Hasta que C + +11, la dirección de redondeo del cociente y el signo del resto en el de los operadores integrados de la división y el resto fue definido por la implantación si alguno de los operandos es negativo, pero estaba bien definido en std::div .
Original:
Until C++11, the rounding direction of the quotient and the sign of the remainder in the built-in division and remainder operators was implementation-defined if either of the operands was negative, but it was well-defined in std::div.
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[editar] Parámetros

x, y -
valores enteros
Original:
integer values
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[editar] Valor de retorno

Estructura de tipo div_t, ldiv_t, ldiv_t, imaxdiv_t define como:
Original:
Structure of type div_t, ldiv_t, ldiv_t, imaxdiv_t defined as:
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struct div_t {
    int quot;   // The quotient
    int rem;    // The remainder
};
 
struct ldiv_t {
    long quot;   // The quotient
    long rem;    // The remainder
};
 
struct lldiv_t {
    long long quot;   // The quotient
    long long rem;    // The remainder
};
 
struct imaxdiv_t {
    std::intmax_t quot;   // The quotient
    std::intmax_t rem;    // The remainder
};

[editar] Ver también

resto de la operación de división de punto flotante
Original:
remainder of the floating point division operation
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(función) [edit]